Concept:
Pyramidal composition is a balanced arrangement in which figures or objects are arranged in the shape of a pyramid or triangle.
This creates stability, harmony and visual unity.
Step 1: Understand pyramidal composition.
In a pyramidal composition, the main figure is often placed at the top or centre.
Supporting figures are arranged below, forming a triangular structure.
Step 2: Connect with Renaissance art.
Renaissance artists used pyramidal composition to create balance and order.
This method can be seen in many Renaissance paintings, especially in works by Leonardo da Vinci and Raphael.
Step 3: Final conclusion.
Therefore, pyramidal composition was mainly used by artists of:
\[
\boxed{\text{Renaissance Period}}
\]